Please include the specifications of the product when filling up your order. On the lower part portion of product image, then click "add note" to specify your prefer color, memory and other specification.
(ex. Vivo V15, 128gb, 6gb RAM, Coral Red) (ex. BT HF PRO SY BT1607, Red
 
Product Features:
* Built-in intelligent recognition voltage imported chip, can automatically identify the mobile phone,PSP, tablets, and other digital products change.
* Precise electronic board, have prevent overcharge, discharge, prevent leakage short circuit and high temperature resistant.
* High quality high capacity batteries, durable. Support for fast charging, no memory effect, charging circuit number up to 1000 times
* Standard USb output, Micro/Mini USB input, simple and easy to carry.